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Finding the Fourth Proportional to 169,531.80, 254,297.70 and 98,575.80

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Solution

The fourth proportional to 169,531.80, 254,297.70 and 98,575.80 is: 147,863.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,531.80 : 254,297.70 = 98,575.80 : x
  2. Step 2: Convert to fraction form
    169,531.80/254,297.70 = 98,575.80/x
  3. Step 3: Cross multiply
    169,531.80x = 254,297.70 × 98,575.80
  4. Step 4: Simplify right side
    169,531.80x = 25,067,599,215.66
  5. Step 5: Solve for x
    x = 25,067,599,215.66/169,531.80
  6. Step 6: Final answer
    x = 147,863.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.